All very tentative

 

Candelaria concolor

 

lepraria incana In shaded places on acid rocks, walls and tree-trunks, widespread and evidently common

 

Xanthoria polycarpa Widespread especially on small twigs where it forms clusters becoming common as an indicator of nitrogen deposition

 

Parmelina Tiliacea

 

Evernia prunastri Oak Moss on twigs all year round common.